Suppose a programmer declares a local int variable in a C function, but fails to initialize it to any value. What value does the variable hold? a. zero b. zero if the compiler flag -fautoinit-vars is specified, but the value is undefined in the default legacy mode c. the value is undefined, i.e., garbage d. NULL e. -1 Which statement is most likely to be true on a 64-bit x86 machine? a. sizeof char == sizeof short b. sizeof char * sizeof char * d. sizeof char